ReactOS 0.4.16-dev-21-g2af6fd4
fdc.h
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1/*
2 * PROJECT: NEC PC-98 series onboard hardware
3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4 * PURPOSE: NEC uPD765A FDC header file
5 * COPYRIGHT: Copyright 2020 Dmitry Borisov (di.sean@protonmail.com)
6 */
7
8#pragma once
9
10#define FDC1_IO_BASE 0x90
11#define FDC2_IO_BASE 0xC8
12
13#define FDC_IO_o_MODE_SWITCH 0xBE
14#define FDC_IO_o_EMODE_SWITCH 0x4BE
15#define FDC_IO_i_MODE 0xBE
16#define FDC_IO_i_EMODE 0x4BE
17
18/*
19 * FDC registers offsets
20 */
21#define FDC_o_DATA 0x02
22#define FDC_o_CONTROL 0x04
23
24#define FDC_i_STATUS 0x00
25#define FDC_i_DATA 0x02
26#define FDC_i_READ_SWITCH 0x04